Integrated Feature: WiFi 802.11b/g, BLE Master Chip: ESP32-DROOM Power monitoring range: 5-20V / 0-6A Power supply range: 5V Display: 2.8 inch 240x320 smart display ESP Marauder plug with pre-installed software. Includes various tools for eonal purposes. Intended for personal use and learning about wireless security, vulnerabilities, and prevention methods. For entertainment and experimentation only. Do not use on networks or devices without proper authorization. Not intended for public or unauthorized use. Includes pre-installed HTML files for portal functionality. Package includes: device, stylus, USB cable, and additional connecting cable. Notice: 1. This product is an ESP32 Marauder device. It includes NMMiner license internally, allowing free flash to NMMiner firmware. Select device model: esp32-2432s028r-st7789. 2. Micro-SD card is not included but may be required for certain functionalities. 3. For instructional video materials or project details, please refer to official documentation. If your ESP32 Marauder includes GNSS support, GPS data and NMEA stream can be viewed through the device settings. Built-in memory: 520KB Device management compatible with NMController Operating temperature: -20°C to 70°C Color: As shown Material: PCB + Acrylic Package Contents: 1 x ESP32 Marauder device Note: The package includes only the items listed above. Other accessories or devices shown are not included. Lighting and display differences may cause slight color variations between the image and the actual product. Measurement tolerance: +/- 1-3 cm.